Abstract:
:Almost four decades of research into the role of human leukocyte antigen-B27 (HLA-B27) in susceptibility to spondyloarthritis has yet to yield a convincing answer. New results from an HLA-B27 transgenic rat model now demonstrate quite convincingly that CD8(+) T cells are not required for the inflammatory phenotype. Discoveries that the HLA-B27 heavy chain has a tendency to misfold during the assembly of class I complexes in the endoplasmic reticulum (ER) and to form aberrant disulfide-linked dimers after transport to the cell surface have forced the generation of new ideas about its role in disease pathogenesis. In transgenic rats, HLA-B27 misfolding generates ER stress and leads to activation of the unfolded protein response, which dramatically enhances the production of interleukin-23 (IL-23) in response to pattern recognition receptor agonists. These findings have led to the discovery of striking T-helper 17 cell activation and expansion in this animal model, consistent with results emerging from humans with spondyloarthritis and the discovery of IL23R as an additional susceptibility gene for ankylosing spondylitis. Together, these results suggest a novel link between HLA-B27 and the T-helper 17 axis through the consequences of protein misfolding and open new avenues of investigation as well as identifying new targets for therapeutic intervention in this group of diseases.
journal_name
Immunol Revjournal_title
Immunological reviewsauthors
Colbert RA,DeLay ML,Klenk EI,Layh-Schmitt Gdoi
10.1111/j.0105-2896.2009.00865.xsubject
Has Abstractpub_date
2010-01-01 00:00:00pages
181-202issue
1eissn
0105-2896issn
1600-065Xpii
IMR865journal_volume
233pub_type
杂志文章,评审abstract::Recombinant immunotoxins (RITs) are chimeric proteins designed to treat cancer. They are made up of an Fv or Fab that targets an antigen on a cancer cell fused to a 38-kDa portion of Pseudomonas exotoxin A (PE38). Because PE38 is a bacterial protein, it is highly immunogenic in patients with solid tumors that have nor...
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journal_title:Immunological reviews
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更新日期:2006-12-01 00:00:00
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更新日期:2008-06-01 00:00:00
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更新日期:1985-07-01 00:00:00
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更新日期:2007-04-01 00:00:00
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pub_type: 杂志文章,评审
doi:10.1111/j.1600-065x.1989.tb00555.x
更新日期:1989-12-01 00:00:00
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更新日期:1999-04-01 00:00:00
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更新日期:2017-09-01 00:00:00
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更新日期:2011-03-01 00:00:00
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更新日期:2009-07-01 00:00:00
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更新日期:2017-03-01 00:00:00
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更新日期:2011-05-01 00:00:00
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journal_title:Immunological reviews
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更新日期:1999-10-01 00:00:00
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更新日期:2017-03-01 00:00:00
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更新日期:2012-11-01 00:00:00